I think sometime we will go to Mars and I think we'll explore it with humans sometime, but I think it's really wise to do all the robotic exploration ahead of time and learn as much as possible. Once we… — John Glenn Copy Share Image
People are really excited about robotic exploration. I understand the feeling there because, in fact, robots can do things humans can't. They can survive harsh conditions, they can explore places we would never go, plus you never actually have to… — Neil deGrasse Tyson Copy Share Image
